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Commercial vehicle air spring structure type and size of its stiffness characteristics influence

Author: LongMingYuan
Tutor: HeFeng；FengDaYuan
School: Guizhou University
Course: Mechanical Manufacturing and Automation
Keywords: Air spring Structure type Size Stiffness Factors
CLC: U463.334.2
Type: Master's thesis
Year: 2007
Downloads: 283
Quote: 5
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Abstract


Air spring is one of the key components of air suspension, air spring in load freight cars and more and more widely used in high speed passenger cars. In order to further study of vehicle equipped with air spring after the influence on vehicle performance, must first understand the characteristics of air spring itself has, including stiffness characteristics are particularly important. This topic through the sac type, diaphragm type air spring stiffness characteristics of different structural type and size of research, the stiffness characteristics of air spring is deduced from the formula and the frequency characteristics formula, this paper expounds the main factors affecting air spring stiffness characteristics. Combined with lots of trial work, carries on the analysis comparison chart on the test data, and the finite element simulation for air spring has carried on the preliminary exploration, is obtained by rational selection of air spring structure type, size and air pressure, in order to meet the requirements of commercial vehicle stiffness and load capacity, diaphragm and capsule type air spring can be used in passenger car and truck, but the film type air spring with its excellent elastic character has a broad application prospect in commercial vehicles. This research for our country in the future car design provide theoretical basis for selection of air suspension system, and for air spring manufacturer product development to lay a certain foundation.

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Travel System > Suspension > The elastic element > Air spring
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